Summary statistics for d1_snf_c1_74 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d1_snf_c1_74 | 890 1497600 1555184 -45 1.79e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018